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| author | Yang Shi <yang.shi@linaro.org> | 2016-02-11 13:53:10 -0800 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2016-02-12 15:53:51 +0000 |
| commit | a80a0eb70c358f8c7dda4bb62b2278dc6285217b (patch) | |
| tree | a0fda0517271586316fbd476aed280734a245151 /tools/perf/scripts/python | |
| parent | arm64: debug: re-enable irqs before sending breakpoint SIGTRAP (diff) | |
| download | linux-a80a0eb70c358f8c7dda4bb62b2278dc6285217b.tar.gz linux-a80a0eb70c358f8c7dda4bb62b2278dc6285217b.zip | |
arm64: make irq_stack_ptr more robust
Switching between stacks is only valid if we are tracing ourselves while on the
irq_stack, so it is only valid when in current and non-preemptible context,
otherwise is is just zeroed off.
Fixes: 132cd887b5c5 ("arm64: Modify stack trace and dump for use with irq_stack")
Acked-by: James Morse <james.morse@arm.com>
Tested-by: James Morse <james.morse@arm.com>
Signed-off-by: Yang Shi <yang.shi@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions